about summary refs log tree commit diff stats
path: root/archive/2.vm/continuation4.mu
diff options
context:
space:
mode:
authorKartik Agaram <vc@akkartik.com>2020-01-01 17:04:37 -0800
committerKartik Agaram <vc@akkartik.com>2020-01-01 17:04:37 -0800
commit2a4088119cf41175457414dfa59bd4064b8f0562 (patch)
tree64fe184e399f9870ebd481a90eec34d51e5dff68 /archive/2.vm/continuation4.mu
parent23fd294d85959c6b476bcdc35ed6ad508cc99b8f (diff)
downloadmu-2a4088119cf41175457414dfa59bd4064b8f0562.tar.gz
5852
Diffstat (limited to 'archive/2.vm/continuation4.mu')
-rw-r--r--archive/2.vm/continuation4.mu47
1 files changed, 0 insertions, 47 deletions
diff --git a/archive/2.vm/continuation4.mu b/archive/2.vm/continuation4.mu
deleted file mode 100644
index 1a523fe9..00000000
--- a/archive/2.vm/continuation4.mu
+++ /dev/null
@@ -1,47 +0,0 @@
-# Example program showing 'return-continuation-until-mark' return other values
-# alongside continuations.
-#
-# Print out a given list of numbers.
-#
-# To run:
-#   $ git clone https://github.com/akkartik/mu
-#   $ cd mu
-#   $ ./mu continuation4.mu
-#
-# Expected output:
-#   1
-#   2
-#   3
-
-def main [
-  local-scope
-  l:&:list:num <- copy null
-  l <- push 3, l
-  l <- push 2, l
-  l <- push 1, l
-  k:continuation, x:num, done?:bool <- call-with-continuation-mark 100/mark, create-yielder, l
-  {
-    break-if done?
-    $print x 10/newline
-    k, x:num, done?:bool <- call k
-    loop
-  }
-]
-
-def create-yielder l:&:list:num -> n:num, done?:bool [
-  local-scope
-  load-inputs
-  {
-    done? <- equal l, null
-    break-if done?
-    n <- first l
-    l <- rest l
-    return-continuation-until-mark 100/mark, n, done?
-    loop
-  }
-  # A function that returns continuations shouldn't get the opportunity to
-  # return. Calling functions should stop calling its continuation after this
-  # point.
-  return-continuation-until-mark 100/mark, -1, done?
-  assert false, [called too many times, ran out of continuations to return]
-]